35 Engine parts are listed for the 2026 Toyota Prius, in 12 part types, covering both the 1.8L L4 ELECTRIC/GAS and the 2.0L L4 ELECTRIC/GAS. Each one has a brand, a manufacturer part number and notes that say where it fits.
The engine on the 2026 Toyota Prius covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. The largest groups are Oil Filter (12 parts), Oil (9 parts) and Oil Filler Cap (2 parts). The other 9 part types cover the remaining 12 parts.
The 2026 Toyota Prius was sold with both the 1.8L L4 ELECTRIC/GAS and the 2.0L L4 ELECTRIC/GAS. 2 parts fit every engine; the other 33 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2026 Toyota Prius engine parts are MELLING (7 parts), LIQUI MOLY (3 parts) and VALVOLINE (3 parts), plus 14 more brands. Quality grades include Standard Replacement, Economy and High Performance / Heavy Duty.
5 parts on this 2026 Toyota Prius page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including LIQUI MOLY 20328 (Oil) and MOBIL M1103A (Oil Filter). Click any part number to see every vehicle that part fits.
Oil
Summary: Notes list SAE 0W-16. Confirm the engine and the weight on the filler cap before you buy. Replacement brands in this table include LIQUI MOLY, VALVOLINE and IDEMITSU.
Full Synthetic
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LIQUI MOLY Popular Fits: 2.0L L4 ELECTRIC/GAS | 20328 | 🇺🇸 US 🇨🇦 CA | Special Tec AA 0W-165 Liter | View on Amazon |
| VALVOLINE Popular Fits: 2.0L L4 ELECTRIC/GAS | 878399 | 🇺🇸 US 🇨🇦 CA | Advanced Protection Full Synthetic SAE 0W-16Easy Pour 5 Quart | View on Amazon |
| IDEMITSU Fits: 2.0L L4 ELECTRIC/GAS | 30016050750 | 🇺🇸 US | IFG3 0W-16 SQ/GF-7B1 Quart | View on Amazon |
| IDEMITSU Fits: 2.0L L4 ELECTRIC/GAS | 30016050953 | 🇺🇸 US | IFG3 0W-16 SQ/GF-7B5 Quart | View on Amazon |
| LIQUI MOLY Fits: 2.0L L4 ELECTRIC/GAS | 20324 | 🇺🇸 US 🇨🇦 CA | Special Tec AA 0W-161 Liter | View on Amazon |
| LIQUI MOLY Fits: 2.0L L4 ELECTRIC/GAS | 22251 | 🇺🇸 US 🇨🇦 CA | Molygen New Generation 0W-161 Liter | View on Amazon |
| VALVOLINE Fits: 2.0L L4 ELECTRIC/GAS | 878400 | 🇺🇸 US 🇨🇦 CA | Advanced Protection Full Synthetic SAE 0W-16Easy Pour 1 Quart | View on Amazon |
| VALVOLINE Fits: 2.0L L4 ELECTRIC/GAS | 886758 | 🇺🇸 US 🇨🇦 CA | Advanced Protection Full Synthetic SAE 0W-165 Gallon Bay Box | View on Amazon |
High Mileage (>75,000 Miles)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| IDEMITSU Fits: 2.0L L4 ELECTRIC/GAS | 30015121750 | 🇺🇸 US | IFG5 0W-16 SP/GF-6B1 Quart | View on Amazon |
This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable.
9 Oil parts are listed for the 2026 Toyota Prius, from LIQUI MOLY, VALVOLINE and IDEMITSU. LIQUI MOLY 20328 carries the "Popular" badge.
In the Full Synthetic grade, LIQUI MOLY, VALVOLINE and IDEMITSU supply 8 parts: full-synthetic oils. A representative part number is LIQUI MOLY 20328.
The High Mileage (>75,000 Miles) section lists 1 option from IDEMITSU — oils grouped for high-mileage engines. IDEMITSU 30015121750 is listed in this group.
This group includes LIQUI MOLY 20328, VALVOLINE 878399 and IDEMITSU 30016050750 and the remaining parts above.
Oil Filler Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: 2.0L L4 ELECTRIC/GAS | 31285 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MOTORAD Fits: 2.0L L4 ELECTRIC/GAS | MO155 | 🇺🇸 US 🇨🇦 CA | Material: Plastic, Rubber | View on Amazon |
This table covers the caps on the oil filler neck.
2 Oil Filler Cap parts are listed for the 2026 Toyota Prius, from GATES and MOTORAD.
Listed part numbers: GATES 31285 and MOTORAD MO155.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Fits: 2.0L L4 ELECTRIC/GAS | 72229WS | 🇺🇸 US 🇨🇦 CA | Workshop Oil Filter | View on Amazon |
| FVP Fits: 2.0L L4 ELECTRIC/GAS | R1394 | 🇺🇸 US 🇨🇦 CA | Media Material: CelluloseSpin-On Filter | View on Amazon |
| PRO-TEC Fits: 2.0L L4 ELECTRIC/GAS | PXL51394 | 🇺🇸 US 🇨🇦 CA | Media Material: CelluloseSpin-On Filter | View on Amazon |
| VARIOUS MFR Fits: 2.0L L4 ELECTRIC/GAS | PG4476 | 🇺🇸 US 🇨🇦 CA | Spin-On | View on Amazon |
High Performance / Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular Fits: all 2026 Prius engines | M1103A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Performance | View on Amazon |
| WIX Fits: 2.0L L4 ELECTRIC/GAS | 51394XP | 🇺🇸 US 🇨🇦 CA | XP Extreme DutyBest For Synthetic Motor Oils | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 2.0L L4 ELECTRIC/GAS | PF1233 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentSpin-On | View on Amazon |
| WIX Popular Fits: 2.0L L4 ELECTRIC/GAS | 51394 | 🇺🇸 US 🇨🇦 CA | Media Material: CelluloseSpin-On Filter | View on Amazon |
| BECK/ARNLEY Fits: all 2026 Prius engines | 0418066 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| BOSCH Fits: 2.0L L4 ELECTRIC/GAS | 3311 | 🇺🇸 US 🇨🇦 CA | Premium Oil FilterHeight: 3.149606 In | View on Amazon |
| MANN Fits: 2.0L L4 ELECTRIC/GAS | W683 | 🇺🇸 US 🇨🇦 CA | Anti-Drain Back Valve: YESBypass Relief Valve Setting: 13 PSI | View on Amazon |
| VARIOUS MFR Fits: 2.0L L4 ELECTRIC/GAS | PG4476EX | 🇺🇸 US 🇨🇦 CA | Extended LifeSpin-On | View on Amazon |
This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive.
12 Oil Filter parts are listed for the 2026 Toyota Prius, from BOSCH, VARIOUS MFR, WIX and 6 other brands. MOBIL M1103A carries the "Popular" badge. 2 parts fit every engine; the other 10 are engine-specific.
In the Economy grade, BOSCH, FVP, PRO-TEC and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is BOSCH 72229WS.
In the High Performance / Heavy Duty grade, MOBIL and WIX supply 2 parts: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is MOBIL M1103A.
The Standard Replacement section lists 6 options from ACDELCO, WIX, BECK/ARNLEY and 3 other brands — built to original-equipment specification. ACDELCO PF1233 is listed in this group.
Oil Pan
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SPECTRA PREMIUM Fits: 1.8L L4 ELECTRIC/GAS | TOP30A | 🇲🇽 MX | View on Amazon | |
| SPECTRA PREMIUM Fits: 2.0L L4 ELECTRIC/GAS | TOP44A | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the oil pans that hold the engine's oil sump.
2 Oil Pan parts for the 2026 Toyota Prius come from SPECTRA PREMIUM.
Listed part numbers: SPECTRA PREMIUM TOP30A and SPECTRA PREMIUM TOP44A.
Oil Pump Chain
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 2.0L L4 ELECTRIC/GAS | 1086 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the chains that drive the oil pump.
This group shows a single part: MELLING 1086.
Oil Pump Chain Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 2.0L L4 ELECTRIC/GAS | BT7064 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Oil Pump Chain tensioners. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage.
One part is listed for the 2026 Toyota Prius — MELLING BT7064.
Oil Pump Control Valve / Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: 2.0L L4 ELECTRIC/GAS | VVS398 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Oil Pump Control Valve solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid.
This group shows a single part: GATES VVS398.
Oil Pump Sprocket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 2.0L L4 ELECTRIC/GAS | S1325 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Oil Pump sprockets.
This group shows a single part: MELLING S1325.
Timing Chain
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 2.0L L4 ELECTRIC/GAS | 1085 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the timing chains that keep the cams in time with the crank.
This group shows a single part: MELLING 1085.
Timing Chain Guide / Damper
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 2.0L L4 ELECTRIC/GAS | BG7050 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MELLING Fits: 2.0L L4 ELECTRIC/GAS | BT7065 | 🇺🇸 US 🇨🇦 CA | Tensioner Arm | View on Amazon |
This table covers the guides and dampers that keep the timing chain on its path.
2 Timing Chain Guide / Damper parts for the 2026 Toyota Prius come from MELLING.
Part numbers include MELLING BG7050 and MELLING BT7065.
Timing Chain Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 2.0L L4 ELECTRIC/GAS | BT7062 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the tensioners that keep the timing chain taut. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage.
One part is listed for the 2026 Toyota Prius — MELLING BT7062.
Valve Spring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| QUALCAST Fits: 2.0L L4 ELECTRIC/GAS | 325507 | 🇺🇸 US 🇨🇦 CA | IntakeConical OEM # 90501A0141 | View on Amazon |
| QUALCAST Fits: 2.0L L4 ELECTRIC/GAS | 325508 | 🇺🇸 US 🇨🇦 CA | ExhaustConical OEM # 90501A0139 | View on Amazon |
This table covers the springs that close each intake and exhaust valve. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats.
2 Valve Spring parts for the 2026 Toyota Prius come from QUALCAST.
Part numbers include QUALCAST 325507 and QUALCAST 325508.
Buying Engine Parts for a 2026 Toyota Prius
On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.
- Match the engine first. Some engine parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Oil Filter and Oil .
Frequently Asked Questions
How many engine parts fit the 2026 Toyota Prius?
Our catalog currently lists 35 engine parts for the 2026 Toyota Prius across 12 subcategories and 17 brands, covering both the 1.8L L4 ELECTRIC/GAS and the 2.0L L4 ELECTRIC/GAS. Each part is matched to the engine(s) it fits.
Do engine parts differ between 2026 Toyota Prius engines?
Some do. 2 parts fit every engine; the other 33 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of engine problems on a 2026 Toyota Prius?
Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What oil viscosity is listed for the 2026 Toyota Prius?
Oil rows on this page include SAE 0W-16. Confirm the engine and the weight on the filler cap before you buy — high-mileage and standard fills can differ.
What should I replace at the same time?
Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2026 Toyota Prius was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2026 Toyota Prius?
First match the engine — each row shows which engine(s) the part fits. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2026 Toyota Prius
Engine Parts for Other Toyota Prius Years
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